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/linux/fs/fat/
H A Dfat_test.c34 .name = "Earliest possible UTC (1980-01-01 00:00:00)",
42 .name = "Latest possible UTC (2107-12-31 23:59:58)",
50 .name = "Earliest possible (UTC-11) (== 1979-12-31 13:00:00 UTC)",
58 .name = "Latest possible (UTC+11) (== 2108-01-01 10:59:58 UTC)",
90 .name = "Leap year + timezone UTC+1 (== 2004-02-29 00:30:00 UTC)",
98 .name = "Leap year + timezone UTC-1 (== 2004-02-29 23:30:00 UTC)",
/linux/drivers/net/ethernet/mellanox/mlxsw/
H A Dpci_hw.h228 * 2: UTC - time_stamp[37:30] = Sec
230 * 3: Mirror_UTC. UTC time stamp of the original packet that has
237 * Note that Spectrum does not reveal FRC, UTC and Mirror_UTC
316 * 2: UTC
317 * 3: Mirror_UTC. UTC time stamp of the original packet that has
330 * 2: UTC - time_stamp[37:30] = Sec
332 * 3: Mirror_UTC. UTC time stamp of the original packet that has
339 * Note that Spectrum does not reveal FRC, UTC and Mirror_UTC
H A Dspectrum_ptp.c459 dev_err(dev, "setting UTC time failed %d\n", err); in mlxsw_sp2_ptp_clock_init()
1398 /* Time stamp above the last bits of UTC (UTC & 0xff) means the in mlxsw_ptp_utc_time_stamp_sec_get()
1418 * representation of UTC time. Software should create the full time in mlxsw_sp2_ptp_hwtstamp_fill()
1419 * stamp using the global UTC clock. The seconds have only 8 bits in the in mlxsw_sp2_ptp_hwtstamp_fill()
1420 * CQE, to create the full time stamp, use the current UTC time and fix in mlxsw_sp2_ptp_hwtstamp_fill()
1421 * the seconds according to the relation between UTC seconds and CQE in mlxsw_sp2_ptp_hwtstamp_fill()
/linux/drivers/tty/serial/
H A Dtegra-utc.c3 // NVIDIA Tegra UTC (UART Trace Controller) driver.
280 /* Interrupt is dedicated to this UTC client. */ in tegra_utc_startup()
299 /* The Tegra UTC clients supports only 8-N-1 configuration without HW flow control */ in tegra_utc_set_termios()
405 OF_EARLYCON_DECLARE(tegra_utc, "nvidia,tegra264-utc", tegra_utc_early_console_setup);
489 .driver_name = "tegra-utc",
586 { .compatible = "nvidia,tegra264-utc", .data = &tegra264_utc_soc },
595 .name = "tegra-utc",
H A DKconfig295 Support for Tegra UTC (UART Trace controller) client serial port.
297 UTC is a HW based serial port that allows multiplexing multiple data
298 streams of up to 16 UTC clients into a single hardware serial port.
301 bool "Support for console on a Tegra UTC serial port"
306 If you say Y here, it will be possible to use a Tegra UTC client as
H A DMakefile90 obj-$(CONFIG_SERIAL_TEGRA_UTC) += tegra-utc.o
/linux/Documentation/filesystems/
H A Dvfat.rst140 **tz=UTC**
141 Interpret timestamps as UTC rather than local time.
143 between local time (as used by Windows on FAT) and UTC
146 that are set to UTC in order to avoid the pitfalls of
151 used by FAT to UTC. I.e. <minutes> minutes will be subtracted
152 from each timestamp to convert it to UTC used internally by
/linux/drivers/virtio/
H A DKconfig246 This exposes the Virtio RTC UTC-like clock as a Linux Real Time Clock.
247 It only has an effect if the Virtio RTC device has a UTC-like clock
/linux/include/uapi/linux/netfilter/
H A Dxt_time.h18 /* Match against local time (instead of UTC) */
/linux/Documentation/core-api/
H A Dtimekeeping.rst36 using the Coordinated Universal Time (UTC), same as gettimeofday()
48 reference instead of UTC to avoid jumping on leap second updates.
/linux/drivers/gpu/drm/amd/include/ivsrcid/vmc/
H A Dirqsrcs_vmc_1_0.h34 #define UTCL2_1_0__SRCID__FAULT 0 /* UTC L2 has encountered a fau…
/linux/tools/testing/selftests/net/forwarding/
H A Dtsn_lib.sh162 --utc-tai-offset ${UTC_TAI_OFFSET} \
244 --utc-tai-offset ${UTC_TAI_OFFSET} \
/linux/Documentation/translations/zh_CN/kbuild/
H A Dkbuild.rst311 $ KBUILD_BUILD_TIMESTAMP="Mon Oct 13 00:00:00 UTC 2025" make
315 晚于协调世界时 (UTC) 2106 年 2 月 7 日 6 时 28 分 15 秒的日期是无效的。
/linux/arch/s390/include/asm/
H A Dtimex.h101 #define PTFF_QUI 0x04 /* query UTC information */
123 /* Query UTC information result */
/linux/fs/xfs/libxfs/
H A Dxfs_format.h782 * seconds and nanoseconds; time zero is the Unix epoch, Jan 1 00:00:00 UTC
791 * Dec 13 20:45:52 UTC 1901. Because the epochs are not the same, callers
805 * corresponds exactly with the incore timestamp Dec 13 20:45:52 UTC 1901.
811 * corresponds exactly with the incore timestamp Jan 19 03:14:07 UTC 2038.
818 * minimum timestamp of Dec 13 20:45:52 UTC 1901.
825 * of Jul 2 20:20:24 UTC 2486.
1352 * seconds counter; time zero is the Unix epoch, Jan 1 00:00:01 UTC 1970.
1370 * This corresponds exactly with the incore expiration Jan 1 00:00:01 UTC 1970.
1376 * This corresponds exactly with the incore expiration Feb 7 06:28:15 UTC 2106.
1383 * expiration of Jan 1 00:00:04 UTC 1970.
[all …]
/linux/drivers/rtc/
H A Dsysfs.c19 * ideally UTC. However, PCs that also boot to MS-Windows normally use
160 * by writing another time, e.g. 0 meaning Jan 1 1970 UTC. in wakealarm_store()
H A Drtc-ds1672.c24 * Time is set to UTC.
/linux/drivers/gpu/drm/i915/gt/
H A Divb_clear_kernel.c5 * Generated by: IGT Gpu Tools on Fri 21 Feb 2020 05:29:32 AM UTC
H A Dhsw_clear_kernel.c5 * Generated by: IGT Gpu Tools on Fri 21 Feb 2020 05:30:13 AM UTC
/linux/include/trace/events/
H A Drtc.h26 TP_printk("UTC (%lld) (%d)",
/linux/Documentation/ABI/testing/
H A Dsysfs-timecard236 Description: (RW) The incoming GNSS signal is in UTC time, and the NMEA
288 Description: (RW) The DCF and IRIG output signals are in UTC, while the
/linux/Documentation/kbuild/
H A Dkbuild.rst333 $ KBUILD_BUILD_TIMESTAMP="Mon Oct 13 00:00:00 UTC 2025" make
338 the 1970 Unix epoch, or after 2106-02-07 06:28:15 UTC will fail.
/linux/drivers/tee/optee/
H A Doptee_rpc_cmd.h23 * 1970-01-01 00:00:00 +0000 (UTC).
/linux/Documentation/misc-devices/
H A Dlis3lv02d.rst13 - Eric Piel <eric.piel@tremplin-utc.net>
/linux/kernel/time/
H A Dtimeconv.c43 * Coordinated Universal Time (UTC).

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